... Volvo Man DA One step forging forming at 800°C to avoid deformation caused by temperature difference thus ensure ... the internal C.V. Joint tracks are precise.The six equal ... . Plus ground double circle arc ball track, the C.V. joint runs smoothly without noise or locking.Heat ... R,X-90,XL7 13.Benz :A-Class,C-Class,CLK-Class,E-Class,SL-Class,Vaneo,B ...